Jessy Edwards  |  September 13, 2022

Category: Household

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A closeup view of a Pyrex measurement cup glass on the kitchen counter.
(Photo Credit: The Image Party/Shutterstock)

Pyrex dishwasher safe class action overview: 

  • Who: The owner of a Pyrex measuring cup is suing Instant Brands. 
  • Why: The plaintiff says the cups’ lines wash off quickly in a dishwasher, rendering them useless.
  • Where: The Pyrex class action lawsuit was filed in an Illinois federal court.

Pyrex measuring cups are not worth the money consumers pay for them because the red measuring lines wash off easily in a dishwasher, rendering them useless, a new class action lawsuit alleges.

Plaintiff Tammy Devane filed the class action complaint against Instant Brands LLC Sept. 10. in an Illinois federal court, alleging violations of state and federal consumer laws.

Instant Brands makes and markets tempered glass measuring cups under the Pyrex brand, the lawsuit says. 

The ads for the product tell consumers the product is “dishwasher safe”—both on the company website and on the websites of the retailers who stock the product. 

“However, the Product is not dishwasher safe because the measurement markings fade and disappear when the cups are washed in a dishwasher,” Devane alleges.

“According to hundreds of customer complaints, the markings can often disappear in as little as one wash.”

Warranty doesn’t cover Pyrex measuring cups lines

The product is sold with a “Limited Two-Year Warranty” which the fine print reveals only covers replacement in the event it breaks from oven heat, the Pyrex lawsuit states.

“For the measuring cups which are not used in ovens, the warranty is misleading and without value.”

Devane says the company refuses to honor the warranty for customers who seek coverage for products with markings that quickly fade.

“Defendant’s refusal to warrant the Product’s markings is unfair and deceptive because the measurement lines are essential to its functioning and utility.”

Devane is suing on behalf of a class of Florida and Illinois resident who bought the measuring cup, plus a consumer fraud multistate class from Alabama, Montana, Alaska, Texas, Arizona, New Mexico, Mississippi, Utah, Nebraska, South Carolina, Tennessee and Virginia.

She’s suing under state consumer laws and for breach of warranty, fraud, negligent misrepresentation and unjust enrichment. Devane is seeking certification of the class action, damages, fees, costs and a jury trial.

Meanwhile, a class action lawsuit alleging Pyrex soda lime glass could explode during the normal cooking process was dismissed in 2020. 

Do you have a Pyrex measuring cup? Let us know your experience in the comments! 

The plaintiff is represented by Spencer Sheehan of Sheehan & Associates, P.C. 

The Instant Brands class action lawsuit is Tammy Devane v. Instant Brands LLC, Case No. 1:22-cv-04900 in the U.S. District Court for the Northern District of Illinois Eastern Division.


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372 thoughts onPyrex class action alleges products falsely advertised as ‘dishwasher safe’

  1. Christine Ley says:

    Yes please add me

  2. Teresa Nickels says:

    Add me, I have many pieces.

  3. Theresa Kihn says:

    Please add me !
    I have several Pyrex measuring cups. Two purchased during the covid lock down and the other one has the red lines gone on the top half.

  4. April Lipke says:

    Trust me, they’re not “dishwasher safe” when all of increments of measure on the outside of Pyrex Glass Measuring cups comes off and you only have a few red spots, nothing legible instead of marked increments. They didn’t used to be that way!
    ADD ME PLEASE!

  5. M Wheeler says:

    Add me

  6. Don Walker says:

    Yep. Please add me.

  7. Art Brant says:

    I love this brand. But! Add me too

  8. Shirley ReeseJohnson says:

    Add me

  9. Cynthia Pittman says:

    Yes I have 3 cups 2 I use regularly I can’t see markings on 2 the 3rd red peeling
    Plz add mr

  10. Martha Emery says:

    Please add me

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